<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      autocomplete="on"
      label-position="left"
      @submit.native.prevent
    >
      <div class="login-form-left">
        <img src="../../assets/img/default_img/login-bg.png" alt="" srcset="" />
      </div>

      <div class="login-form-right">
        <div class="title-container">
          <h3 class="title">JAVA后台低代码平台</h3>
          <h5>欢迎登录</h5>
        </div>

        <el-form-item prop="username">
          <span class="svg-container">
            <svg-icon icon-class="user" />
          </span>
          <el-input
            ref="username"
            v-model="loginForm.username"
            placeholder="用户名"
            name="username"
            type="text"
            tabindex="1"
            autocomplete="on"
          />
        </el-form-item>

        <el-tooltip
          v-model="capsTooltip"
          content="大写已锁定"
          placement="right"
          manual
        >
          <el-form-item prop="password">
            <span class="svg-container">
              <svg-icon icon-class="password" />
            </span>
            <el-input
              :key="passwordType"
              ref="password"
              v-model="loginForm.password"
              :type="passwordType"
              placeholder="密码"
              name="密码"
              tabindex="2"
              autocomplete="on"
              @keyup.native="checkCapslock"
              @blur="capsTooltip = false"
              @keyup.enter.native="handleLogin"
            />
            <span class="show-pwd" @click="showPwd">
              <svg-icon
                :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
              />
            </span>
          </el-form-item>
        </el-tooltip>

        <el-form-item prop="captcha">
          <el-row :gutter="0">
            <el-col :span="12">
              <span class="svg-container">
                <svg-icon icon-class="user" />
              </span>
              <el-input
                ref="captcha"
                v-model="loginForm.captcha"
                class="captcha-input"
                placeholder="验证码"
                name="验证码"
                type="text"
                tabindex="1"
                autocomplete="on"
              />
            </el-col>

            <el-col :span="12" class="login-captcha">
              <img :src="captchaPath" alt="" @click="getCaptcha()" />
            </el-col>
          </el-row>
        </el-form-item>

        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width: 100%; margin-top: 20px; margin-bottom: 30px"
          @click.native.prevent="handleLogin"
          native-type="submit"
          >登录
        </el-button>

        <!-- <div style="position:relative">
                <div class="tips">
                    <span>Username : admin</span>
                    <span>Password : any</span>
                </div>
                <div class="tips">
                    <span style="margin-right:18px;">Username : editor</span>
                    <span>Password : any</span>
                </div>

                <el-button class="thirdparty-button" type="primary" @click="showDialog=true">
                    使用第三方登录
                </el-button>
            </div> -->
      </div>
    </el-form>

    <!-- <el-dialog title="Or connect with" :visible.sync="showDialog">
            Can not be simulated on local, so please combine you own business simulation! ! !
            <br>
            <br>
            <br>
            <social-sign />
        </el-dialog> -->
  </div>
</template>

<script>
import { validUsername } from "@/utils/validate";
import SocialSign from "./components/SocialSignin";
import { getUUID } from "@/utils";

export default {
  name: "Login",
  components: { SocialSign },
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error("请输入正确的用户名"));
      } else {
        callback();
      }
    };
    const validatePassword = (rule, value, callback) => {
      if (value.length < 3) {
        callback(new Error("密码不能少于6位数字"));
      } else {
        callback();
      }
    };
    return {
      loginForm: {
        username: "",
        password: "",
        uuid: "",
        captcha: "",
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", validator: validateUsername },
        ],
        password: [
          { required: true, trigger: "blur", validator: validatePassword },
        ],
        captcha: [
          {
            required: true,
            message: "验证码不能为空",
            trigger: "blur",
          },
        ],
      },
      captchaPath: "", // 验证码图片
      passwordType: "password",
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {},
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        const query = route.query;
        if (query) {
          this.redirect = query.redirect;
          this.otherQuery = this.getOtherQuery(query);
        }
      },
      immediate: true,
    },
  },
  created() {
    // window.addEventListener('storage', this.afterQRScan)
    this.getCaptcha();
    localStorage.removeItem("MENUINDEX");
    localStorage.removeItem("MENUOBJ");
  },
  mounted() {
    if (this.loginForm.username === "") {
      this.$refs.username.focus();
    } else if (this.loginForm.password === "") {
      this.$refs.password.focus();
    }
  },
  destroyed() {
    // window.removeEventListener('storage', this.afterQRScan)
  },
  methods: {
    checkCapslock(e) {
      const { key } = e;
      this.capsTooltip = key && key.length === 1 && key >= "A" && key <= "Z";
    },
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              this.$router.push({
                // path: this.redirect || "/",
                path: "/",
                query: this.otherQuery,
              });
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
              this.getCaptcha();
            });
        } else {
          console.log("提交 失败!!");
          return false;
        }
      });
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== "redirect") {
          acc[cur] = query[cur];
        }
        return acc;
      }, {});
    },
    // 获取验证码
    getCaptcha() {
      this.loginForm.uuid = getUUID();
      // 整理一个 img验证码 的路径
      this.captchaPath = `${process.env.VUE_APP_BASE_API}/captcha.jpg?uuid=${this.loginForm.uuid}`;
    },
    // afterQRScan() {
    //   if (e.key === 'x-admin-oauth-code') {
    //     const code = getQueryObject(e.newValue)
    //     const codeMap = {
    //       wechat: 'code',
    //       tencent: 'code'
    //     }
    //     const type = codeMap[this.auth_type]
    //     const codeName = code[type]
    //     if (codeName) {
    //       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
    //         this.$router.push({ path: this.redirect || '/' })
    //       })
    //     } else {
    //       alert('第三方登录失败')
    //     }
    //   }
    // }
  },
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* 重置 element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 33px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 5px 5px 5px 15px;
      // color: $light_gray;
      color: #454545;
      height: 33px;
      // caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    // background: rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.3);
    // border-radius: 5px;
    color: #454545;
    margin-bottom: 30px !important;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: absolute;
    width: 900px;
    height: 520px;
    background: #fff;
    border-radius: 20px;
    max-width: 100%;
    // padding: 160px 35px 0;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    // overflow: hidden;
  }

  .login-form-left {
    width: 500px;
    height: 100%;
    float: left;
    img {
      width: 600px;
      margin-left: -100px;
      margin-top: -20px;
      float: left;
    }
  }
  .login-form-right {
    width: 400px;
    height: 100%;
    float: left;
    padding: 40px 50px;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;
    margin-bottom: 40px;
    margin-top: 30px;

    .title {
      font-size: 24px;
      // color: $light_gray;
      margin: 0px auto 20px auto;
      text-align: center;
      font-weight: bold;
    }
    h5 {
      text-align: center;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  .captcha-input {
    width: 114px;
  }

  .login-captcha {
    height: 40px;
    padding: 2px 2px 2px 0;

    img {
      height: 100%;
      display: block;
      border-radius: 3px;
      overflow: hidden;
      float: right;
    }
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
